package com.c.ctgproject.utils;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.Rect;
import android.util.Log;
import android.view.View;

import com.c.ctgproject.base.BaseActivity;

public class ImageShuiYinUtil {
    /**
     * 设置水印图片在左上角
     *
     * @param src
     * @param paddingLeft
     * @param paddingTop
     * @return
     */
//    public static Bitmap createWaterMaskLeftTop(Context context, Bitmap src, Bitmap watermark, int paddingLeft, int paddingTop) {
//        return createWaterMaskBitmap(src, watermark,
//                dp2px(context, paddingLeft), dp2px(context, paddingTop));
//    }

//    private static Bitmap createWaterMaskBitmap(Bitmap src, Bitmap watermark, int paddingLeft, int paddingTop) {
//        if (src == null) {
//            return null;
//        }
//        int width = src.getWidth();
//        int height = src.getHeight();
//        //创建一个bitmap
//        Bitmap newb = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);// 创建一个新的和SRC长度宽度一样的位图
//        //将该图片作为画布
//        Canvas canvas = new Canvas(newb);
//        //在画布 0，0坐标上开始绘制原始图片
//        canvas.drawBitmap(src, 0, 0, null);
//        //在画布上绘制水印图片
//        canvas.drawBitmap(watermark, paddingLeft, paddingTop, null);
//        // 保存
//        canvas.save();
//        // 存储
//        canvas.restore();
//        return newb;
//    }
    private static Bitmap createWaterMaskBitmap(Bitmap src, String str, String time, int paddingLeft, int paddingTop) {
        if (src == null) {
            return null;
        }
        int width = src.getWidth();
        int height = src.getHeight();
        //创建一个bitmap
        Bitmap newb = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);// 创建一个新的和SRC长度宽度一样的位图
        //将该图片作为画布
        Canvas canvas = new Canvas(newb);
        //在画布 0，0坐标上开始绘制原始图片
        canvas.drawBitmap(src, 0, 0, null);
        //在画布上绘制水印图片
        Paint paint = new Paint();
        paint.setColor(Color.WHITE);
        float ratioWidth = (float)width / 720;
        float ratioHeight = (float)height / 1280;
        float RATIO = Math.min(ratioWidth, ratioHeight);
        paint.setTextSize(22);
        //时间
        canvas.drawText(time, 0, 0, paint);

        canvas.drawText(str, paddingLeft, paddingTop, paint);
//        canvas.drawText(str,12,50,paint);
//        canvas.drawBitmap(watermark, paddingLeft, paddingTop, null);
        // 保存
        canvas.save();
        // 存储
        canvas.restore();
        return newb;



    }

    private static Bitmap createWaterMaskBitmap(Bitmap src, String str, String time,int textSize, int paddingLeft, int paddingTop) {
        if (src == null) {
            return null;
        }
        int width = src.getWidth();
        int height = src.getHeight();

        //创建一个bitmap
        Bitmap newb = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);// 创建一个新的和SRC长度宽度一样的位图
        //将该图片作为画布
        Canvas canvas = new Canvas(newb);
        //在画布 0，0坐标上开始绘制原始图片
        canvas.drawBitmap(src, 0, 0, null);
        //在画布上绘制水印图片
        Paint paint = new Paint();
        paint.setColor(Color.WHITE);
        float ratioWidth = (float)width / 720;
        float ratioHeight = (float)height / 1280;
        float RATIO = Math.min(ratioWidth, ratioHeight);
        float size=textSize*RATIO;
        paint.setTextSize(size);
        Log.d("测试","测试时图宽高"+width+";"+height+";"+textSize*RATIO);
        //时间
        canvas.drawText(time, 0, size, paint);

        canvas.drawText(str,canvas.getWidth()-(str.length()*size), paddingTop, paint);
//        canvas.drawText(str,12,50,paint);
//        canvas.drawBitmap(watermark, paddingLeft, paddingTop, null);
        // 保存
        canvas.save();
        // 存储
        canvas.restore();
        return newb;



    }
    /**
     * 将一个view转换为Bitmap
     * @param view
     * @return
     */
    public static Bitmap convertViewToBitmap(View view){
        view.measure(View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED), View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED));
        view.layout(0, 0, view.getMeasuredWidth(), view.getMeasuredHeight());
        view.buildDrawingCache();
        Bitmap bitmap = view.getDrawingCache();
        return bitmap;
    }
    private static Bitmap createWaterMaskBitmap(Bitmap src, String str, int paddingLeft, int paddingTop) {
        if (src == null) {
            return null;
        }
        int width = src.getWidth();
        int height = src.getHeight();
        //创建一个bitmap
        Bitmap newb = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);// 创建一个新的和SRC长度宽度一样的位图
        //将该图片作为画布
        Canvas canvas = new Canvas(newb);
        //在画布 0，0坐标上开始绘制原始图片
        canvas.drawBitmap(src, 0, 0, null);
        //在画布上绘制水印图片
        Paint paint = new Paint();
        paint.setColor(Color.WHITE);
        paint.setTextSize(18);
        canvas.drawText(str, paddingLeft, paddingTop, paint);
//        canvas.drawText(str,12,50,paint);
//        canvas.drawBitmap(watermark, paddingLeft, paddingTop, null);
        // 保存
        canvas.save();
        // 存储
        canvas.restore();
        return newb;
    }

//    /**
//     * 设置水印图片在右下角
//     *
//     * @param context       上下文
//     * @param src
//     * @param paddingRight
//     * @param paddingBottom
//     * @return
//     */
//    public static Bitmap createWaterMaskRightBottom(Context context, Bitmap src, String str, int paddingRight, int paddingBottom, String time) {
//        return createWaterMaskBitmap(src, str, time,
//                src.getWidth() - paddingRight - dp2px(context, paddingRight),
//                src.getHeight() - paddingBottom - dp2px(context, paddingBottom));
//    }

    /**
     * 设置水印图片在右下角
     *
     * @param context       上下文
     * @param src
     * @param paddingRight
     * @param paddingBottom
     * @return
     */
    public static Bitmap createWaterMaskRightBottom(Context context, Bitmap src, String str, int paddingRight, int paddingBottom, String time) {
        return createWaterMaskBitmap(src, str, time,dp2px(context,11),
                src.getWidth() - paddingRight - dp2px(context, paddingRight),
                src.getHeight() - paddingBottom - dp2px(context, paddingBottom));
    }

//Math.round(sp2px(11) * RATIO)
    public static Bitmap createWaterMaskRightBottom(Context context, Bitmap src, String str, int paddingRight, int paddingBottom) {
        return createWaterMaskBitmap(src, str,
                src.getWidth() - paddingRight - dp2px(context, paddingRight),
                src.getHeight() - paddingBottom - dp2px(context, paddingBottom));
    }

    /**
     * 设置水印图片到右上角
     *
     * @param context
     * @param src
     * @param watermark
     * @param paddingRight
     * @param paddingTop
     * @return
     */
//    public static Bitmap createWaterMaskRightTop(Context context, Bitmap src, Bitmap watermark, int paddingRight, int paddingTop) {
//        return createWaterMaskBitmap(src, watermark,
//                src.getWidth() - watermark.getWidth() - dp2px(context, paddingRight),
//                dp2px(context, paddingTop));
//    }

    /**
     * 设置水印图片到左下角
     *
     * @param context
     * @param src
     * @param watermark
     * @param paddingLeft
     * @param paddingBottom
     * @return
     */
//    public static Bitmap createWaterMaskLeftBottom(Context context, Bitmap src, Bitmap watermark, int paddingLeft, int paddingBottom) {
//        return createWaterMaskBitmap(src, watermark, dp2px(context, paddingLeft),
//                src.getHeight() - watermark.getHeight() - dp2px(context, paddingBottom));
//    }

    /**
     * 设置水印图片到中间
     *
     * @param src
     * @param watermark
     * @return
     */
//    public static Bitmap createWaterMaskCenter(Bitmap src, Bitmap watermark) {
//        return createWaterMaskBitmap(src, watermark,
//                (src.getWidth() - watermark.getWidth()) / 2,
//                (src.getHeight() - watermark.getHeight()) / 2);
//    }

    /**
     * 给图片添加文字到左上角
     *
     * @param context
     * @param bitmap
     * @param text
     * @return
     */
    public static Bitmap drawTextToLeftTop(Context context, Bitmap bitmap, String text, int size, int color, int paddingLeft, int paddingTop) {
        Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
        paint.setColor(color);
        paint.setTextSize(dp2px(context, size));
        Rect bounds = new Rect();
        paint.getTextBounds(text, 0, text.length(), bounds);
        return drawTextToBitmap(context, bitmap, text, paint, bounds,
                dp2px(context, paddingLeft),
                dp2px(context, paddingTop) + bounds.height());
    }

    /**
     * 绘制文字到右下角
     *
     * @param context
     * @param bitmap
     * @param text
     * @param size
     * @param color
     * @return
     */
    public static Bitmap drawTextToRightBottom(Context context, Bitmap bitmap, String text, int size, int color, int paddingRight, int paddingBottom) {
        Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
        paint.setColor(color);
        paint.setTextSize(dp2px(context, size));
        Rect bounds = new Rect();
        paint.getTextBounds(text, 0, text.length(), bounds);
        return drawTextToBitmap(context, bitmap, text, paint, bounds,
                bitmap.getWidth() - bounds.width() - dp2px(context, paddingRight),
                bitmap.getHeight() - dp2px(context, paddingBottom));
    }

    /**
     * 绘制文字到右上方
     *
     * @param context
     * @param bitmap
     * @param text
     * @param size
     * @param color
     * @param paddingRight
     * @param paddingTop
     * @return
     */
    public static Bitmap drawTextToRightTop(Context context, Bitmap bitmap, String text, int size, int color, int paddingRight, int paddingTop) {
        Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
        paint.setColor(color);
        paint.setTextSize(dp2px(context, size));
        Rect bounds = new Rect();
        paint.getTextBounds(text, 0, text.length(), bounds);
        return drawTextToBitmap(context, bitmap, text, paint, bounds,
                bitmap.getWidth() - bounds.width() - dp2px(context, paddingRight),
                dp2px(context, paddingTop) + bounds.height());
    }

    /**
     * 绘制文字到左下方
     *
     * @param context
     * @param bitmap
     * @param text
     * @param size
     * @param color
     * @param paddingLeft
     * @param paddingBottom
     * @return
     */
    public static Bitmap drawTextToLeftBottom(Context context, Bitmap bitmap, String text, int size, int color, int paddingLeft, int paddingBottom) {
        Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
        paint.setColor(color);
        paint.setTextSize(dp2px(context, size));
        Rect bounds = new Rect();
        paint.getTextBounds(text, 0, text.length(), bounds);
        return drawTextToBitmap(context, bitmap, text, paint, bounds,
                dp2px(context, paddingLeft),
                bitmap.getHeight() - dp2px(context, paddingBottom));
    }

    /**
     * 绘制文字到中间
     *
     * @param context
     * @param bitmap
     * @param text
     * @param size
     * @param color
     * @return
     */
    public static Bitmap drawTextToCenter(Context context, Bitmap bitmap, String text, int size, int color) {
        Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
        paint.setColor(color);
        paint.setTextSize(dp2px(context, size));
        Rect bounds = new Rect();
        paint.getTextBounds(text, 0, text.length(), bounds);
        return drawTextToBitmap(context, bitmap, text, paint, bounds,
                (bitmap.getWidth() - bounds.width()) / 2,
                (bitmap.getHeight() + bounds.height()) / 2);
    }

    //图片上绘制文字
    private static Bitmap drawTextToBitmap(Context context, Bitmap bitmap, String text, Paint paint, Rect bounds, int paddingLeft, int paddingTop) {
        android.graphics.Bitmap.Config bitmapConfig = bitmap.getConfig();

        paint.setDither(true); // 获取跟清晰的图像采样
        paint.setFilterBitmap(true);// 过滤一些
        if (bitmapConfig == null) {
            bitmapConfig = android.graphics.Bitmap.Config.ARGB_8888;
        }
        bitmap = bitmap.copy(bitmapConfig, true);
        Canvas canvas = new Canvas(bitmap);

        canvas.drawText(text, paddingLeft, paddingTop, paint);
        return bitmap;
    }

    /**
     * 缩放图片
     *
     * @param src
     * @param w
     * @param h
     * @return
     */
    public static Bitmap scaleWithWH(Bitmap src, double w, double h) {
        if (w == 0 || h == 0 || src == null) {
            return src;
        } else {
            // 记录src的宽高
            int width = src.getWidth();
            int height = src.getHeight();
            // 创建一个matrix容器
            Matrix matrix = new Matrix();
            // 计算缩放比例
            float scaleWidth = (float) (w / width);
            float scaleHeight = (float) (h / height);
            // 开始缩放
            matrix.postScale(scaleWidth, scaleHeight);
            // 创建缩放后的图片
            return Bitmap.createBitmap(src, 0, 0, width, height, matrix, true);
        }
    }

    /**
     * dip转pix
     *
     * @param context
     * @param dp
     * @return
     */
    public static int dp2px(Context context, float dp) {
        final float scale = context.getResources().getDisplayMetrics().density;
        return (int) (dp * scale + 0.5f);
    }
}

